BE ACCESSIBLE ONCE ITS TOP COVER IS REMOVED. DO NOT ATTEMPT FAMILIARIZATION, INSPECTION, OR ANY PROCEDURE WHATSOEVER UNLESS YOU HAVE DISCONNECTED THE GFA-5002 FROM THE WALL AC OUTLET OR OTHER SOURCE OF AC POWER AND THE POWER-SUPPLY CAPACITORS ARE COMPLETELY DISCHARGED. THESE INSTRUCTIONS ARE PROVIDED FOR USE ONLY BY COMPETENT TECHNICAL PERSONNEL.
GFA-5002 Voltage Conversion 115V to 230V 1) Unplug the power cord and remove the top cover. 2) Locate the standby transformer, PT902, on the circuit board in the middle of the unit. 3) Near PT902, cut jumpers J1, J2, J4, J5 - see figure 1 below.
GFA-5002 SPECIFICATIONS Power Rating (To FTC Requirements) 50 watts continuous average power per channel into 8 ohms at any frequency between 20Hz to 20kHz with all channels driven at less than 0.05% THD 75 watts continuous average power per channel into 4 ohms at any frequency between 20Hz to 20kHz with all channels driven at less than 0.05% THD...